Display rack



FIG. 1 is a typical side elevational view of a display rack showing my new design;

FIG. 2 is a top view of the display rack of FIG. 1;

FIG. 3 is a bottom view of the display rack of FIG. 1; and,

FIG. 4 is a perspective view of the display rack of FIG. 1. 

The ornamental design of a display rack, as shown and described. 